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APX6223
DSC Motors Driver IC
Features
* * H Bridges Independent Control Channels Saturation Voltage Drive, One Channel Constant Voltage Drive and One Channel Constant Current Drive Support DSC Exposure/Shutter/Focus/Zoom Motor Driving Power Save Mode Lower Power Excitation Mode for Constant Current H Bridge Thermal Shutdown Protection Low Voltage Detection Lower Voltage Operation From 2.5V ~ 5.5V CMOS Process, Lower Power Consumption Compact Design for Small Size Package Lead Free Available (RoHS Compliant)
General Description
The APX6223 CMOS integrated circuit builds driving capability for Digital Still Camera Exposure/Shutter/ Focus/Zoom motor operation. Independent control inputs drive Saturation, Constant voltage and Constant current H bridge. Advanced CMOS processing is used to take advantage of low-voltage and low-power requirements. A power saving mood can optimize the energy saving in portable application. The APX6223 comes in a miniature 48-pin LQFP and TQFN packages.
* * * * * * * * *
Applications
*
Digital Still Camera for Exposure/Shutter/ Focus/Zoom Motor Driving
Ordering and Marking Information
APX6223
Lead Free Code Handling Code Temp. Range Package Code Package Code QD : LQFP - 48 QB : TQFN - 48 Operating Ambient Temp. Range I : -40 to 85 C Handling Code TY : Tray Lead Free Code L : Lead Free Device Blank : Original Device XXXXX - Date Code
APX6223 QD/QB :
APX6223 XXXXX
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS and compatible with both SnPb and lead-free soldiering operations. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J STD-020C for MSL classification at lead-free peak reflow temperature.
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Copyright (c) ANPEC Electronics Corp. Rev. A.2 - Jul., 2005 1 www.anpec.com.tw
APX6223
Pin Configuration
PGND12 OUT6B OUT6A OUT5B OUT5A RNF6 VREF 25 VBB6 VBB6 VBB5 VC6 VC5 26
36
35
34
33
32
31
30
29
28
27
VC6A DGND PGND34 OUT3B VBB34 OUT3A PGND34 OUT4B VBB34 OUT4A PGND34 VREFCT
37 38 39 40 41 42 43 44 45 46 47 48
24 23 22 21 20
BRK VDD PGND12 OUT2B VBB12 OUT2A PGND12 OUT1B VBB12 OUT1A PGND12 PS
APX6223
19 18 17 16 15 14 13
1 IN6B
2 IN6A
3 IN5B
4 IN5A
5 IN4B
6 IN4A/EN4
7 IN3B
8 IN3A/EN3
9 IN2B
10 IN2A/EN2
11 IN1B
12 IN1A/EN1
Pin Description
PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14,18,22 15 16,20 17 Name IN6B IN6A IN5B IN5A IN4B IN4A/EN4 IN3B IN3A/EN3 IN2B IN2A/EN2 IN1B IN1A/EN1 PS PGND12 OUT1A VBB12 OUT1A I/O I I I I I I I I I I I I I O O
Description Input B of channel 6 H bridge Input A of channel 6 H bridge Input B of channel 5 H bridge Input A of channel 5 H bridge Input B of channel 4 H bridge Input A of channel 4 H bridge, or enable control Input B of channel 3 H bridge Input A of channel 3 H bridge, or enable control Input B of channel 2 H bridge Input A of channel 2 H bridge, or enable control Input B of channel 1 H bridge Input A of channel 1 H bridge, or enable control Power save mode, H: circuit operation, L: stand by H bridge channel 1,2 power GND H bridge channel 1 output A H bridge channel 1,2 power source H bridge channel 1 output B
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Copyright (c) ANPEC Electronics Corp. Rev. A.2 - Jul., 2005
APX6223
Pin Description (Cont.)
PIN No. 19 21 23 24 25 26 27 28 29 30 31,35 32 33 34 36 37 38 39,43,47 40 41,45 42 44 46 48 Name OUT2A OUT2B VDD BRK VREF VC5 OUT5A VBB5 OUT5B PGND5 VBB6 OUT6A RNF6 OUT6B VC6 VC6A GND PGND34 OUT3B VBB34 OUT3A OUT4B OUT4A VREFCT O O O I O O I O I I O I O O O Description H bridge channel 2 output A H bridge channel 2 output B Power source for control logic Set mode brake function for channel 1~4 1.2 V, this is a input voltage for resistors divider to generate the VC6 voltage The voltage of VOUT5A, VOUT5B is four times large as VC5, output will be saturated once the VC5=VDD H bridge channel 5 output A H bridge channel 5 power source H bridge channel 5 output B H bridge channel 5 power GND H bridge channel 6 power source H bridge channel 6 output A Channel 6 motor drive current sense, connect a resistor between this terminal and GND H bridge channel 6 output B Channel 6 comparator input Channel 6 comparator adjustable input Control logic GND H bridge channel 3,4 power GND H bridge channel 3 output B H bridge channel 3,4 power source H bridge channel 3 output A H bridge channel 4 output B H bridge channel 4 output A Motor excitation saving control, set H save control, set L normal control, only valid for channel 6 current driving
I/O O O
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APX6223
Block Diagram
VBB Motor power supply
M
33 34 RNF6 OUT6B OUT6A
VCM Shutter
M
31 35 VBB6 30 29 OUT5B OUT5A PGND12 27
DC Zoom
M
39 43 47 44 OUT4B OUT4A 46 OUT3B
Stepping or DC Iris
M
14 18 21 22 OUT2B 19 OUT2A OUT1B
Stepping Focus
32
28 VBB5
40 VBB34
41 42 45 OUT3A PGND12
17 VBB12
16 15 20 OUT1A
VREF 25
VC6 36 VC5 26
Constant current H Birdge (6CH)
Constant Voltage H Bridge (5CH)
PGND34
Saturation drive H Bridge (4CH)
Saturation drive H Bridge (3CH)
Saturation drive H Bridge (2CH)
Saturation drive H Bridge (1CH)
TSD Bias circuit Low Voltage Protection Power save VC6A 37 Logic Control Logic Control Logic Control Logic Control
38 DGND EN4/IN4A EN3/IN3A EN2/IN2A EN1/IN1A 11 12 VREFCT
IN6B
IN6A
IN5B
IN5A
IN4B
IN3B
IN2B
48
23
13
1
2
3
4
5
6
7
8
24
9
10
Absolute Maximum Ratings
Symbol VDD VBB IO IO RT JA TJ TOP TSTG TL Logic Supply Voltage Motor Supply Voltage Peak Output Current (1ch ~ 6ch) Continuous Output Current (1ch ~ 6ch) Thermal Resistance - Junction to Ambient LQFP 48 Junction Temperature Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 second)
4
Parameter
Rating 6.5 6.5 +-800 +-500 125 0 to 150 0 to 70 -65 to +150 260
IN1B
VDD
BRK
PS
Unit V V mA mA C/W C C C C
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APX6223
Thermal Characteristics
Power dissipation(mW)
1000 800 600 400 200 Ambient temperature ,TA ( C ) 0 25 40 60 80 100 120 140 160
Electrical Characteristics
Unless otherwise noted these specifications apply over full temperature, VBB = 5V, VDD = 3V, TA = -40 to 85C. Typical values refer to TA = 25C. Symbol Control logic VIH VIL IIH IIL VREF High Input Voltage Low Input Voltage High Input Current Low Input Current Reference Voltage VDD = 3V, VBB = 5V, PS = H VDD = 3V, VBB = 5V, PS = L VDD = 3V, VBB = 5V, PS = L, sum of VBB VDD = 0V, VBB = 5V, PS = L, sum of VBB All inputs All inputs VIN = VDD = 3V 15 -1 1.13 1.21 1.0 0.1 0.1 0.1 1.29 2.0 5 5 5 30 VDD x 0.7 VDD x 0.3 60 V V A A V mA A A A Parameter Condition APX6223 Min. Typ. Max. Unit
IDD (on) Supply Current IDD (stb) Standby Supply Current IBB1 IBB2 Motor Supply Current Motor Supply Current
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APX6223
Electrical Characteristics (Cont.)
Unless otherwise noted these specifications apply over full temperature, VBB = 5V, VDD = 3V, TA = -40 to 85C. Typical values refer to TA = 25C. Symbol VDDH VDDL Parameter Low Voltage Detection Low Voltage Detection Condition VBB = 5V VBB = 3V APX6223 Min. 1.0 0.8 Typ. 1.8 1.2 Max. 2.4 1.8 Unit V V
Output Drivers (OUT1A, OUT1B, OUT2A, OUT2B, OUT3A, OUT3B, OUT4A, OUT4B) Saturation Drive On RON1 IO = 100mA, VBB = 5V 1.5 Resistance (upper+lower) Saturation Drive On RON2 IO = 100mA, VBB = 3V 1.75 Resistance (upper+lower) TON Turn On Time 0.5 TOFF TR TF VOUT5 RVON1 RVON2 IIN5 VIN5 TVON TVOFF TVR TVF Turn Off Time Output Rise Time Output Fall Time Constant Voltage Output Limit Constant Voltage Drive On Resistance (upper+lower) Constant Voltage Drive On Resistance (uppper+lower) VC5 Input Current VC5 Input Voltage Range Turn On Time Turn Off Time Output Rise Time Output Fall Time At IO = 5mA,VDD = 5V -1 VC6 = 0.1V, RNF = 1, RM = 5 IO = 100mA, RNF = 0V, VBB = 5V IO = 100mA, RNF = 0V, VBB = 3V RM = 5,VLIM = 0.2 V, RNF = 2, IO = 100mA 95 RM = 50, IO = 100mA IO = 100mA, VBB = 5V IO = 100mA, VBB = 5V IO = 100mA, VBB = 3V VC = 2V -1 0.15 5 0.1 4 0.05 40 0 100 1.25 1.45 5 0. 05 4 0.03 150
6
2.0 2.3 2 0.5 1 0.2

s s s s V
RM = 50, IO = 100mA
0.1 0.3 0.05
Output Drivers (OUT5A, OUT5B)/Constant Voltage VCx3.7 VCX4 VCx4.3 1.5 1.75 0 2.0 2.3 1 1.0 20 2 10 1 200 1 105 2.0 2.3 10 2 8 1

A V s s s s mV A mA
Output drivers (OUT6A, OUT6B)/Constant Current VC6A ON VC6A (ON Voltage) IIN6 IOUT6 RCON1 RCON2 TCON TCOFF TCR TCF TSD VC6 Input Current Constant Current Precision Constant Current Drive On Resistance (upper+lower) Constant Current Drive On Resistance (upper+lower) Turn On Time Turn Off Time Output Rise Time Output Fall Time Thermal Shutdown Temperature

s s s s C
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APX6223
Switching Characteristic Wave Shape
100% V V 50% 0% 100% 90% 50% 10% 0% -10% -50% t
f
IN
50%
IN
t t
ON
OFF
t
OFF
tON
100% 90%
50% 10% -10% -50% -90% -100% t
r
IDR
-90%
t
r
t
f
Typical Applications
VBB Motor power supply 1
M
VCM Shutter
M
31 35 VBB6 PGND12
DC Zoom
M
39 43 47
Stepping or DC Iris
M
14 18 22
Stepping Focus
33 OUT6B RNF6 10uF
34 OUT6A
32
30 OUT5B
29 OUT5A
27 VBB5
28 PGND34
44 OUT4B OUT4A
46 OUT3B
40 VBB34
41 45 OUT3A
42 PGND12
21 OUT2B OUT2A
19 OUT1B
17 VBB12 11 EN1/IN1A 12
16 20 OUT1A
15
1.2V 25 100K
VREF
VC6 36 1.0V 26 20K 20K VC5
Constant current H Birdge (6CH)
Constant Voltage H Bridge (5CH)
Saturation drive H Bridge (4CH)
Saturation drive H Bridge (3CH)
Saturation drive H Bridge (2CH)
Saturation drive H Bridge (1CH)
=VC5 x 4 TSD Bias circuit Low Voltage Protection Power save VC6A 37 Logic Control Logic Control Logic Control Logic Control
38 DGND EN4/IN4A EN3/IN3A EN2/IN2A VREFCT
IN6B
IN6A
IN5B
IN5A
IN4B
IN3B
IN2B
48
23
13
1
2
3
4
5
6
7
8
24
9
10
H: Economizing L : Normal
Copyright (c) ANPEC Electronics Corp. Rev. A.2 - Jul., 2005
From Host
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IN1B
VDD
BRK
PS
APX6223
Typical Characteristics
VREF vs.VDD
1.26 1.25 1.24 1.23
Supply Current
0.9 0.8 0.7 0.6
IDD(mA)
1.22
0.5 0.4 0.3 0.2 0.1 0 2.5
VREF(V)
1.21 1.2 1.19 1.18 1.17 2.5
3.5
4.5
5.5
3
3.5
4
4.5
5
5.5
VDD(V)
VDD(V)
OUT1~4 Saturation Drive On Resistance
1.6 1.55
1.7
OUT5 Saturation Drive On Resistance
VC5=0.5V VBB=3V
Resistance() - upper+lower
Resistance() - upper+lower
1.5 1.45 1.4 1.35 1.3 1.25 1.2 1.15 1.1 0 100 200 300 400 500
1.6
VBB=3V
1.5
1.4
VBB=5V
1.3
VBB=5V
1.2
1.1 0 100 200 300 400 500
IO (mA)
IO (mA)
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APX6223
Typical Characteristics
OUT6 Saturation Drive On Resistance
1.7
OUT1~4 Operating Waveform
VBB=5V VOUTA (2V/div)
RFN=0V
Resistance() - upper+lower
1.6
VBB=3V
1.5
1.4
VOUTB (2V/div)
1.3
VBB=5V
1.2
1.1 0 100 200 300 400 500
IO(500mA/div) All Bridges Off
IO (mA)
Time ( 0.1ms/div)
OUT5 Operating Waveform
VBB=5V VC5=0.5V
OUT6 Operating Waveform
VOUTA (2V/div)
VOUTA (2V/div)
VBB=5V VC6=0.15V RNF=1
VOUTB (2V/div)
VOUTB (2V/div)
All Bridges Off IO(200mA/div) IO(200mA/div) All Bridges Off
Time ( 0.1ms/div)
Time ( 0.1ms/div)
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APX6223
Function Descriptions
The APX6223 CMOS single chip builds driving capability for Digital Still Camera Exposure /Shutter/Focus/Zoom motor operation. The APX6223 can meet maximum various combinations of motor types inside of the DSC. The four groups of the independent inputs from host to control drive motor operations. The BRK selection pin can set 2 types of operations for channels 1~4 H bridge, which can set brake function for voltage control H bridge if BRK set "L".
BRK CH1 H IN1A/IN1B L EN1/IN1B CH2 IN2A/IN2B EN2/IN2B CH3 IN3A/IN3B EN3/IN3B CH4 IN4A/IN4B EN4/IN4B
Stepping motor control truth table (for channel 1,2 or 3,4)
IN1A H H L L L L L H IN1B IN2A IN2B OUT1A OUT1B OUT2A OUT2B Half-step Full-step L L L H L Z Z (1) L H L H L H L (2) (1) L H L Z Z H L (3) H H L L H H L (4) (2) H L L L H Z Z (5) H L H L H L H (6) (3) L L H Z Z L H (7) L L H H L L H (8) (4)
Note : ` high impedance Z' Constant Voltage H-Bridge (Channel 5) The VOUT5A & VOUT5B are constant voltage output, which is four times as large as VC5 input. Output becomes saturated when VC5=VDD. This channel is for DC motor Zoom operation.
Mode OFF Forward Reversed Brake
Note: BRK pin setting only available channel 1~4 IN/IN input control truth table (n=1~6)
INnA L H L H INnB L L H H OUTnA Z H L L OUTnB Z L H L
VC5
Note : ` high impedance Z' EN/IN input control truth table (n=1~4)
ENn L H H INnB L H OUTnA Z H L OUTnB Z L H Mode OFF Forward Reversed
4R
Constant voltage H bridge (CH5)
4R
R
R
Note : ` high impedance Z' Figure1. Constant Voltage Control Setting Stepping Motor Control Refer the list below table for stepping motor control, which is defined as half-step and full-step motor control. The half-step is controlled by the following sequence (1)->(2)->(8)->(1) ->... , but for reverse side, sequence (1)->(8)->(7)->... . Moreover, the full-step is controlled by the following sequence (1)->(2)->(3)->(4)->(1)... , but for reverse side, sequence (1)->(4)->(3)->... . These channels are for DC motor Focus & Iris operation. Constant Current H-Bridge (Channel 6) Channel 6 is a fixed current drive for VCM motor Shutter operation. When set VREFCT to "L", and voltage from VREF is 1.2V through voltage resistors divider 100K & 20K (refer Figure2), and that VC6 can be calculated 1.2V x 20/(100+20) = 0.2V. If the package leads impedance is ignored (compare with RNF6 1), that
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APX6223
Function Descriptions (Cont.)
Constant Current H-Bridge (Channel 6) (Cont.) current about 200mA=0.2V/1 is limited by VC6 voltage. When the setup value of the weak excitation mode is changed, add a variable resistor between VC6 and VC6A pin to adjust the current limit (VREFCT set to "H"), for example, if VC6 & VC6A pin add a variable resistor and the value is 20K, since this 20K is parallel with another 20K, the equal resistor value is 10K. So VC6 will be equal 1.2V x 10/(100+10) = 0.11V, the current limit is equal 0.11V/1 = 110mA. AD/A value direct connects to VC6 (VREFCT to "L") is another method to control the current limit as well.
VREF(1.2V)
100K
VC6
20K 20K VC6A
Hi: ON Low: OFF
Constant current H bridge (CH6)
RNF6 1
VREFCT DGND
Figure2. Constant Current Control Setting
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APX6223
Package Information
LQFP-48
A A2 A1 b E
DETAIL "E"
C e
L L1
48
37
1 36
D Hd
25 12 "E"
13
24
He
Dim A A1 A2 b c D E e Hd He L L1 y
Millimeters Min. 0.050 1.4000.05 0.200TYP 0.127TYP 7.0000.100 7.0000.100 0.500TYP 9.0000.250 9.0000.250 0.6000.150 1.000REF 0 0.100 7
12
Inches Max. 1.600 0.150 Min. 0.0020 0.05510.0020 0.0078TYP 0.0050TYP 0.27560.0039 0.27560.0039 0.0196TYP 0.35430.0098 0.35430.0098 0.0236 0.0393REF 0 0.0039 7
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Max. 0.0630 0.0059
0.006
Copyright (c) ANPEC Electronics Corp. Rev. A.2 - Jul., 2005
APX6223
Package Information
TQFN-48
D
48 1 2 3 4 5 6 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 47 48 1 2
D2 L
E
E2
7 8 9 10 11 12
e
b
A2
A A3 A1
Dim A A1 A2 A3 b D D2 E E2 e L
Millimeters Min. 0.80 0 0 0.20REF 0.18 7BSC 4.15 7BSC 4.15 0.50BSC 0.30 0.50 0.01 5.25 0.09 5.25 0.09 0.30 0.007 Max. 1.00 0.05 1.00 Min. 0.03 0 0
Inches Max. 0.04 0.002 0.04 0.008REF 0.01 0.28BSC 0.21 0.28BSC 0.21 0.02BSC 0.01
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APX6223
Physical Specifications
Terminal Material Lead Solderability Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.
Reflow Condition
TP
(IR/Convection or VPR Reflow)
tp Critical Zone T L to T P
Ramp-up
Temperature
TL Tsmax
tL
Tsmin Ramp-down ts Preheat
25
t 25 C to Peak
Time
Classificatin Reflow Profiles
Profile Feature Average ramp-up rate (TL to TP) Preheat - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (min to max) (ts) Time maintained above: - Temperature (T L) - Time (tL) Peak/Classificatioon Temperature (Tp) Time within 5C of actual Peak Temperature (tp) Ramp-down Rate Sn-Pb Eutectic Assembly 3C/second max. 100C 150C 60-120 seconds 183C 60-150 seconds See table 1 10-30 seconds Pb-Free Assembly 3C/second max. 150C 200C 60-180 seconds 217C 60-150 seconds See table 2 20-40 seconds
6C/second max. 6C/second max. 6 minutes max. 8 minutes max. Time 25C to Peak Temperature Notes: All temperatures refer to topside of the package .Measured on the body surface.
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APX6223
Classification Reflow Profiles(Cont.)
Table 1. SnPb Entectic Process - Package Peak Reflow Temperature s 3 3 Package Thickness Volume mm Volume mm <350 350 <2.5 mm 240 +0/-5C 225 +0/-5C 2.5 mm 225 +0/-5C 225 +0/-5C
Table 2. Pb-free Process - Package Classification Reflow Temperatures Package Thickness Volume mm 3 Volume mm 3 Volume mm 3 <350 350-2000 >2000 <1.6 mm 260 +0C* 260 +0C* 260 +0C* 1.6 mm - 2.5 mm 260 +0C* 250 +0C* 245 +0C* 2.5 mm 250 +0C* 245 +0C* 245 +0C* *Tolerance: The device manufacturer/supplier shall assure process compatibility up to and including the stated classification temperature (this means Peak reflow temperature +0C. For example 260C+0C) at the rated MSL level.
Reliability test program
Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B,A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD 78 Description 245C, 5 SEC 1000 Hrs Bias @125C 168 Hrs, 100%RH, 121C -65C~150C, 200 Cycles VHBM > 2KV, VMM > 200V 10ms, 1tr > 100mA
7X7mm Shipping Tray
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APX6223
7X7mm Shipping Tray (Cont.)
Customer Service
Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369
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